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authorSunil Mushran <sunil.mushran@oracle.com>2008-04-14 10:46:19 -0700
committerMark Fasheh <mfasheh@suse.com>2008-04-18 08:56:20 -0700
commit2309e9e040fe29469fb85a384636c455b62fe525 (patch)
treee3ecf7af432e1504a0c785525bc4247305916173 /fs/ocfs2/cluster/tcp_internal.h
parent93b06edb5127315473d87e075b2b1d1acf74659c (diff)
ocfs2/net: Add debug interface to o2net
This patch exposes o2net information via debugfs. The information includes the list of sockets (sock_containers) as well as the list of outstanding messages (send_tracking). Useful for o2dlm debugging. (This patch is derived from an earlier one written by Zach Brown that exposed the same information via /proc.) [Mark: checkpatch fixes] Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com> Reviewed-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
Diffstat (limited to 'fs/ocfs2/cluster/tcp_internal.h')
-rw-r--r--fs/ocfs2/cluster/tcp_internal.h24
1 files changed, 23 insertions, 1 deletions
diff --git a/fs/ocfs2/cluster/tcp_internal.h b/fs/ocfs2/cluster/tcp_internal.h
index b4c5586f46ea..8d58cfe410b1 100644
--- a/fs/ocfs2/cluster/tcp_internal.h
+++ b/fs/ocfs2/cluster/tcp_internal.h
@@ -166,7 +166,9 @@ struct o2net_sock_container {
/* original handlers for the sockets */
void (*sc_state_change)(struct sock *sk);
void (*sc_data_ready)(struct sock *sk, int bytes);
-
+#ifdef CONFIG_DEBUG_FS
+ struct list_head sc_net_debug_item;
+#endif
struct timeval sc_tv_timer;
struct timeval sc_tv_data_ready;
struct timeval sc_tv_advance_start;
@@ -208,4 +210,24 @@ struct o2net_status_wait {
struct list_head ns_node_item;
};
+#ifdef CONFIG_DEBUG_FS
+/* just for state dumps */
+struct o2net_send_tracking {
+ struct list_head st_net_debug_item;
+ struct task_struct *st_task;
+ struct o2net_sock_container *st_sc;
+ u32 st_id;
+ u32 st_msg_type;
+ u32 st_msg_key;
+ u8 st_node;
+ struct timeval st_sock_time;
+ struct timeval st_send_time;
+ struct timeval st_status_time;
+};
+#else
+struct o2net_send_tracking {
+ u32 dummy;
+};
+#endif /* CONFIG_DEBUG_FS */
+
#endif /* O2CLUSTER_TCP_INTERNAL_H */